幸福源自内心的平静。
The dialogue between science and society must be continuous and transparent.
A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.
一个好的抽象是强调重要细节并抑制不重要细节的抽象。
怀疑只能由行动来回答。
Neither the life of an individual nor the history of a society can be understood without understanding both.